2775225772 has 36 divisors (see below), whose sum is σ = 5474663208. Its totient is φ = 1220755200.

The previous prime is 2775225763. The next prime is 2775225797.

It is a happy number.

2775225772 is nontrivially palindromic in base 10.

2775225772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9468 + ... + 75100.

It is an arithmetic number, because the mean of its divisors is an integer number (152073978).

Almost surely, 2^2775225772 is an apocalyptic number.

2775225772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2775225772 is a deficient number, since it is larger than the sum of its proper divisors (2699437436).

2775225772 is a wasteful number, since it uses less digits than its factorization.

2775225772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65710 (or 65677 counting only the distinct ones).

The product of its digits is 960400, while the sum is 46.

The square root of 2775225772 is about 52680.4116536688. The cubic root of 2775225772 is about 1405.2904879287.

The spelling of 2775225772 in words is "two billion, seven hundred seventy-five million, two hundred twenty-five thousand, seven hundred seventy-two".